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FWIW: official USGS volcano information will always come from accounts that have the handles @USGSVolcanoes, @alaska_avo, & @USGS and are linked from our web pages.
Visit usgs.gov/programs/VHP/c… for info.
USGS Volcanoes🌋
17.8K posts
USGS Volcanoes🌋
@USGSVolcanoes
Joined August 2016
- California Volcano Observatory Weekly Update for June 8, 2026: All volcanoes in California were at normal background levels of activity for the last week. Steamy afternoons are the norm in Lassen's Bumpass Hell, as this view from the trail above the basin reveals. Although the
- What's the youngest mountain range in the Rockies, and possibly North America? Hint: it's located just south of Yellowstone National Park and is also a National Park itself! That's right, today's Caldera Chronicles covers the life and times of the Teton Range.
- Hawaiian Volcano Observatory Message 2026-06-06 02:54:32 HST. USGS HVO reports that monitoring stations are now back online and data is being restored as of 2:30 am HST. The backfilling of data may take some time.
- Hawaiian Volcano Observatory Message 2026-06-06 02:31:23 HST. USGS HVO has been experiencing a partial network outage since 1:09 am HST this morning. A field crew is out diagnosing the problem. HVO still has sufficient data to issues alerts if there is a change in volcanic or...
- Cascades Volcano Observatory update for Friday, June 5, 2026: All volcanoes in the Cascade Range of Oregon and Washington were at normal background levels of activity for the last week. Small earthquakes were detected at Mount Rainier, Mount Hood, Newberry, and Mount St. Helens.
00:00 - If you’ve noticed the browning vegetation around Kīlauea’s summit, you’re not imagining things. Kona winds this past winter pushed Kīlauea’s eruptive plume northward, blasting plants with sulfur dioxide and tephra from high lava fountaining episodes. Even hardy ʻōhiʻa felt the
- On June 1, 2026, Kīlauea volcano on the Island of Hawaiʻi made history. Its ongoing summit eruption in Hawaiʻi Volcanoes National Park has now produced 48 fountaining episodes—surpassing the previous record set by Puʻuʻōʻō eruption in the 1980s (47 fountaining episodes). With
00:00 - Hawaiian Volcano Observatory Message 2026-06-02 18:47:59 HST. The USGS HVO information statement for the M4.6 earthquake is here: volcanoes.usgs.gov/hans-public/no…
- A magnitude‑4.6 earthquake struck at 5:58 p.m. HST west-northwest of Kahaluu-Keauhou on the Island of Hawaiʻi at a depth of 21 miles (34 km) below sea level on June 2, 2026. The earthquake was not related to magma movement and had no apparent impact on Hualālai, Mauna Loa, or
- Hawaiian Volcano Observatory Message 2026-06-02 18:46:18 HST. A M4.6 earthquake off shore of Keahou-Kahaluu in Kona at 34 km depth was felt widely at 5:58 pm HST June 2. This quake was similar in origin to the M6 May 22 quake, but was not an aftershock of that earthquake....
- California Volcano Observatory Weekly Update for June 1, 2026: All volcanoes in California were at normal background levels of activity for the last week. Earthquakes >M1 were observed at the Clear Lake Volcanic Field, Coso Volcanic Field, and Salton Buttes. From macro to micro:
- 🌋Kīlauea eruption episode 48 summary - a historic new record for Kīlauea! Episode 48 of the Kīlauea summit eruption in Hawai‘i Volcanoes National Park stopped at 1:37 pm HST June 1 after 9 hours of lava fountaining. This eruption has now surpassed the number of fountaining
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